Of course it has a length and width
Accuracy. How close you are to your expected value. Precision. How close together you values are.
A solid figure need not have two parts. For example a rubber ball is only one sphere - nothing else.
line measurement- distance between two lines end measurement- distance between two faces
Length is the measurement of distance between two points.
What two parts are you referring to? Do you mean the number and the unit?There are measurement and units.Example:Length is the measurement and metres/meters is the unit;Volume is the measurement and litres/liters or cubic meters is the unit;Current is the measurement and Ampere/ Amps is the unit.That would be a lot like the reason that every price has two parts ... like "ten" and "dollars" .A measurement doesn't mean anything to you until you know what the unit is andhow many of them there are.Example: I could tell you that on the way home yesterday I bought 3, paid 4.5 for them, drank 1 with dinner, then sat down and watched TV for 15, then went to bed and slept for only 20.
a number and a unit
Of course it has a length and width
A number and a unit.
The two parts required to express measurement of a physical quantity are a numerical value and a unit of measurement. The numerical value indicates the magnitude of the quantity being measured, while the unit of measurement provides the context or scale for that value.
A number and a unit make up a measurement.
You probably use metric and imperial in your every day life.
The two part of science question are CAUSE and EFFECT relationship. also exact measurement and calculation.
Accuracy. How close you are to your expected value. Precision. How close together you values are.
A collective noun or unit of measurement which refers to two or more separate parts requires a verb for a plural.Examples:Several mobs of people aremoving toward the courthouse.Three cups of flour arerequired for this recipe.
two esential parts of every declarative or an imperative sentence are subject (about which or whom something is being said) and predicate (what is being said about the subject)
One way is to repeat the measurement several times. A reliable measurement will give about the same results every time. The second way is to test it against a standard.